Second-Order Logic Explained
Second-order logic enhances first-order logic by enabling quantification over predicates and relations,…
Frege’s Theorem
Frege's theorem establishes that arithmetic is reducible to logic. It demonstrates how…
Aristotelian Comprehension Schema
The Aristotelian comprehension schema, represented as (∃x)Φ → (∃Y)(∀x)(Yx ↔ Φ) in…